I'll give you a clue, don't worry. Along with the graves of Sarah Bernhardt and Oscar Wilde, I visited this one:
Got it? Well done! And if not, let's see if this helps. Here's an image from Frank Miller's The Spirit graphic novel, featuring "belly dancer" Plaster of Paris:
The movie version of this was absolutely terrible, but I did like what they did with Paz Vegas' Plaster of Paris costume:
It's hard to see at this resolution, but there are scimitar details on the bra and bra straps of this Plaster of Paris costume. Ahem. Can you guess where I've been yet, mes petits choux?